[arachne] Re: Best tip of the year

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On Sat, 5 Nov 2005, Glenn McCorkle wrote:

Date: Sat, 05 Nov 2005 17:59:37 -0500
From: Glenn McCorkle <glennmcc@xxxxxxxxxx>
Reply-To: arachne@xxxxxxxxxxxxx
To: arachne@xxxxxxxxxxxxx, arachne4dos@xxxxxxxxxxxx
Subject: [arachne] Re: Best tip of the year

Arachne at FreeLists---The Arachne Fan Club!

On Sat, 5 Nov 2005 15:29:24 -0700 (MST), Steve wrote:

On Sat, 5 Nov 2005, L.D. Best wrote: 

No stem-wound wrist watch small enough to wear in
public could ever be truly water proof even at only
30' depth (2 atmosphere's pressure at that level).


You're on a roll. First the verb/vowel thing, and now
the atm/feet of water thing.

(1 atm = approx. 32' water) 

Yes.......... 1 _additional_ ATM/32'

At sea level... we are at 1 ATM pressure.

At 32' ... we are at 2 ATMs pressure.

You're talking absolute pressure, which is pretty much only done in laboratories. In the real world, pressure is measured in gauge pressure.

  Just inflate your tires to observe this fact.

If a watch is rated as being water resistant to 1 atm, do you suppose they're telling you not to go underwater at all?

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